Question

What is the difference?

1/8 - 3/10

Answer 1

@AAAlive What would the least common denominator be?

Answer 2

40

Answer 3

ok, so multiply 1/8 in the numerator and denominator by 5 so we can get a final denominator as 40.

And for 3/10, multiply the numerator and denominator by 4 to get the denominator as 40.

So, tell me what you get (:

Answer 4

I know that it will be 5/40 - 12/40 but I am not good with negative numbers, so thats where I got caught up

Answer 5

ok

5 - 12 = ??

That's what we need to find :)

Let's factor out -1 so it's easier

5 - 12 = (-1)(-5 + 12) = (-1)(12 - 5) = ??

So what is 12 - 5= ?

Answer 6

7

Answer 7

and (-1)(7) = ?

Answer 8

-7

Answer 9

and therefore

5 - 12 = -7

Answer 10

okay so -7/40?

Answer 11

yup :)

Answer 12

THANKS DOOD

Answer 13

No problem :)